1915-S Panama-Pacific Gold Coin Up 40-50% in 5 Years

A PCGS MS63 Gold Coin Called the Octagonal $50's "Little Sister"

A collector posted an image of their 1915-S Panama-Pacific International Exposition commemorative one-dollar gold coin. The coin is graded MS63 by PCGS, with the certification number 18703633.

According to the owner, the coin was designed by sculptor Charles Keck. The obverse features a Panama Canal worker, while the reverse depicts two dolphins, symbolizing the Atlantic and Pacific Oceans joined by the canal.

The owner described the octagonal $50 gold piece from the same exposition as their "dream coin" but noted its high price and rarity led them to enjoy this one-dollar coin as its "little sister." The discussion also noted the coin's mintage of 15,000 pieces and that it had changed hands in October 2024 and January 2025.

The $2.5 Gold Coin: "Big Sister" or "Middle Sister"?

The owner's description of the one-dollar coin as the "little sister" prompted other participants to extend the family analogy to the rest of the series.

One user referred to a gold coin, also issued for the Panama-Pacific Exposition, as the "big sister." The original poster replied, "If my coin is the little sister and the $50 is the big sister, then

Why Did This Gold Coin Circulate 26 Years After Its Denomination Was Discontinued?

Another user focused on the coin's MS63 grade, which indicates signs of circulation. That user pointed out that the one-dollar gold denomination had been discontinued 26 years before this commemorative was issued, asking, "I wonder how much these actually circulated."

Responding to this point, another user agreed, "Based on the grades, they definitely circulated," and posted a photo of their own, more heavily worn example. On a lighter note, they joked about the coin's size, commenting, "It's a little too feminine for this macho man to wear."

While some comments in the discussion mentioned the condition and beauty of individual coins, the conversation centered on the family personification and the historical mystery of their circulation.